docker-microservice-template

A template for create your own microservice with docker, docker-compose, nginx, consul, consul-template and registrator.

Overview

Requirements

• Docker (Tested on 1.6.0)
• Ansible (Tested on 1.9.0)
• Vagrant (Tested on 1.7.2)

Installation

• Boot vagrant virtual machine. This will setup your local environment and VM configuration.

vagrant up

• Run all containers.

docker-compose up -d

• Then open below link. This will show you a simple 3-tier application.

http://172.17.8.101/example/php-mysql/

You can see example page, if not kill & rm containers and recreate them.
Now, you can edit applications by edit local files that Application Containers are mounted on VM mounted on host machine.

• Exit containers

docker-compose kill && docker-compose rm

• Restart containers

docker-compose up -d

or

docker-compose restart

• You can easily scale your containers by docker-compose scale

docker-compose scale app=3

• Containers knows each host's name via Consul DNS.

# attach to running container
$ docker exec -it dockermicroservicetemplate_app_1 /bin/bash
# name resolution
root@1be773ff5254:/var/www/html#  ping mysql.service.consul

PING mysql.service.consul (10.1.0.45): 56 data bytes
64 bytes from 10.1.0.45: icmp_seq=0 ttl=64 time=0.068 ms
64 bytes from 10.1.0.45: icmp_seq=1 ttl=64 time=0.090 ms

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request